12740340561863 has 8 divisors (see below), whose sum is σ = 13084772311632. Its totient is φ = 12395913981696.

The previous prime is 12740340561859. The next prime is 12740340561877. The reversal of 12740340561863 is 36816504304721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12740340561863 - 2² = 12740340561859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740340561853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991256 + ... + 6435122.

It is an arithmetic number, because the mean of its divisors is an integer number (1635596538954).

Almost surely, 2^{12740340561863} is an apocalyptic number.

12740340561863 is a deficient number, since it is larger than the sum of its proper divisors (344431749769).

12740340561863 is a wasteful number, since it uses less digits than its factorization.

12740340561863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584801.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 12740340561863 in words is "twelve trillion, seven hundred forty billion, three hundred forty million, five hundred sixty-one thousand, eight hundred sixty-three".